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| Patent # | Description |
|---|---|
| US-5,689,825 |
Method and apparatus for downloading updated software to portable
wireless communication units A portable wireless communication unit (101) is coupled to battery charger/software downloader (108) via a unit interface (304). Upon detecting a flag (402) in... |
| US-5,689,824 |
Folding portable wireless apparatus capable of automatically opening
upper and lower cases A folding portable wireless apparatus of the invention is provided with locking mechanisms provided on the both side faces of an upper and a lower case which are... |
| US-5,689,823 |
Radio having an option board interface and an option board for use
therewith A radio transceiver system (100) includes an option board interface (117) with an analog interface (119) and a digital interface (125). Option board interface... |
| US-5,689,822 |
Wireless coupled adapter for decoding information from a broadcast
signal to which a radio is tuned A wireless adapter for decoding information from a broadcast signal to which a radio is tuned. The radio emits a local signal that serves to identify the... |
| US-5,689,821 |
Device for controlling extension and retraction of an antenna In an IC memory card radio modem including an antenna, intensity of electric field received by the antenna is measured by an electric field intensity detector.... |
| US-5,689,820 |
Vehicle location unit A Vehicle Location Unit (VLU) device includes in functional relationship an RF receiver, a transmitter, a receive/transmit switch, a microcontroller to control... |
| US-5,689,819 |
Transmitter-receiver In a transmitter-receiver having a transmitting circuit and a receiving circuit, the present invention mitigates an interference between the transmitting circuit... |
| US-5,689,818 |
Mobile terminal device for telecommunications, including a switch circuit A mobile terminal device for telecommunications includes a switch circuit which comprises two field effect transistors connected in series to an input terminal,... |
| US-5,689,817 |
RF duplexer bypassing techniques for transceivers Improved RF switching techniques operate in conjunction with an existing cellular telephone having an RF amplifier, an antenna, receiver circuitry, a duplexer,... |
| US-5,689,816 |
Method and apparatus for differentiating a wireless analog signal from a
wireless digitally encoded signal In accordance with IS-136 standard, an analog wireless signal and a digitally encoded wireless signal can be received by a remote telecommunicating device. The... |
| US-5,689,815 |
Saturation prevention system for radio telephone with open and closed
loop power control systems An output power control system prevents saturation by limiting total output power and maintaining closed loop responsiveness for a radio telephone having closed... |
| US-5,689,814 |
Radio communication apparatus with expanded dynamic range Part of a first signal path for amplifying a signal includes circuits for detecting a signal, and a second signal path connected to an input portion of the first... |
| US-5,689,813 |
Radio apparatus capable of detecting field intensity A radio apparatus has a detector for detecting the electric field intensity of a test signal received from the other radio apparatus. The detector produces a... |
| US-5,689,812 |
Radio propagation simulation method For electric waves emitted from a base station, an arrival area of reflection waves thereof is determined according to a reflection object by which the electric... |
| US-5,689,811 |
Communication system for communicating information ascertaining why
reply information was not transmitted An information communication system including an order station for transmitting a command signal to a mobile station, the mobile station including a memory for... |
| US-5,689,810 |
Method of facilitating tallgroup calls in a peer communication network The present invention encompasses a method of facilitating a talkgroup call throughout a communication network (100). A typical multi-system network (100)... |
| US-5,689,809 |
Method for determining geographic relationships between communication
units Geographic relationship between communication units (102, 103) within a communication system (100) can be achieved when a first communication unit transmits its... |
| US-5,689,808 |
Multiple channel automatic simulcast control system Apparatus for effecting simulcast data broadcasting includes a source of information, a network control unit, and a plurality of transmitters. The network... |
| US-5,689,807 |
Paging method and apparatus A two-way paging system utilizes four local frequencies for transmissions between pager units (22) and a central control station (20). A first local frequency... |
| US-5,689,806 |
Communication receiver for selecting between scanning and locking to a
channel and method therefor A channel scanning communication receiver (204) operates in a system that transmits information in cycles (104) including subsequences (106). The receiver... |
| US-5,689,805 |
Communication system and method providing minimum message transmission
delay A communication system (100) providing minimum transmission delay for message delivery to communication transceivers (510) includes a plurality of transmission... |
| US-5,689,804 |
Medium-frequency radio transmission system A medium-frequency radio transmission system is formed by installing a receiving antenna for receiving an amplitude-modulated medium-frequency radio wave at the... |
| US-5,689,803 |
Dial-back call completion method and apparatus in a radio-communication
system A method and apparatus for making a call connection in a communication system (10) having multiple communication units (26) (CU), and at least one communication... |
| US-5,689,802 |
Two-way radio with transmit mode and repeat mode A two-way radio having a receiver (20) for receiving a radio signal including a voice message, a storage element (45) coupled to the receiver for storing the... |
| US-5,689,801 |
Power monitoring system for a single site, split location trunked radio
communication system Base stations located at physically separate, remote locations are operated as a single site to permit trunked radio communications between portable radios... |
| US-5,689,800 |
Video feedback for reducing data rate or increasing quality in a video
processing system A video processing system and method for processing video signals in the video processing system. According to a preferred embodiment, the video processing... |
| US-5,689,799 |
Method and apparatus for routing confidential information A method and apparatus routes user information including confidential information and other information to a vendor in a secure manner without requiring the user... |
| US-5,689,798 |
Method and apparatus for removing undesirable chemical substances from
gases, exhaust gases, vapors, and brines The present invention relates to a method and pertinent apparatus for purifying gases, exhaust gases, vapors, and brines, which are contaminated with undesirable... |
| US-5,689,797 |
Structure and method for compaction of powder-like materials Structure and a method for producing very dense bodies from particulate materials. An electrically conductive drive member is positioned adjacent the particulate... |
| US-5,689,796 |
Method of manufacturing molded copper-chromium family metal alloy article The method of the invention is concerned with the manufacture of a molded copper-chromium family metal based alloy article which involves the steps of... |
| US-5,689,795 |
Sheet transfer apparatus with adaptive speed-up delay A printing apparatus including a processing section for transferring a developed image onto a copy sheet and a finishing section for receiving plural copy sheets... |
| US-5,689,794 |
Paper transport mechanism for use in an image forming apparatus A paper transport mechanism is used in an image forming apparatus in which a toner image formed on a surface of a photosensitive member is transferred by an... |
| US-5,689,793 |
Automatic document feeder with a compact document reversing device There is provided a transfer path for receiving a document fed, sheet by sheet, from a document placing device, and for leading the document toward a document... |
| US-5,689,792 |
Simplified and higher productivity duplex document scanning systems A system for imaging both of the first and second opposing sides of duplex documents with higher productivity, with a generally "V" shaped low profile document... |
| US-5,689,791 |
Electrically conductive fibers Electroconductive fibers with electrically conductive filler suffused through or coated upon the surface of the filamentary polymer substrate and being present... |
| US-5,689,790 |
Image forming apparatus with space particle layer formed on transfer drum The present invention provides an image forming apparatus comprising an image bearing member, and a recording material bearing member for bearing a recording... |
| US-5,689,789 |
Uniform nip velocity roll fuser A heat and pressure roll fuser is disclosed for fixing powder images to various substrates. Each of the rolls has a deformable outer layer. One of the rollers is... |
| US-5,689,788 |
Heat and pressure roll fuser with substantially uniform velocity A heat and pressure roll fuser is disclosed for fixing powder images to various substrates. Each of the rolls has a deformable outer layer. One of the rollers is... |
| US-5,689,787 |
Transfer member having sectioned surface coating to enhance
micro-compliance A small particle toner image is formed on a primary image member (21), such as a photoconductor; electrostatically transferred to an intermediate transfer member... |
| US-5,689,786 |
Image forming apparatus having endless belt photosensitive member in
which the solidified developer becomes molten An image forming apparatus includes an endless belt-shaped photosensitive member laid across a drive roller and a plurality of guide rollers and caused to... |
| US-5,689,785 |
Color image forming method and apparatus used therefor A color image forming method which comprises forming a mono-color or multi-color toner image on an electrophotographic photoreceptor having a releasing surface... |
| US-5,689,784 |
Non-contacting, non-magnetic, Mono-component developing apparatus An electrophotography developing apparatus of non-contacting type using a nonmagnetic one-component toner is provided. The developing apparatus adopts a soft... |
| US-5,689,783 |
Elastic blade and developing device using the same An elastic blade is provided with a rubber layer and a surface resin layer provided on the rubber layer, the surface resin layer satisfying the following... |
| US-5,689,782 |
Developing apparatus for electronic photographic recording equipment,
having two developer transfer rollers A developing apparatus is capable of providing stable charging ability for a developer and stable transfer ability for transferring the developer to a... |
| US-5,689,781 |
Carrier for electrostatic latent image developing A carrier for electrostatic latent image developing for use in methods of developing an electrostatic latent image formed on the surface of a latent ... |
| US-5,689,780 |
Electrophotographic color printing apparatus using successively
engageable developing units An electrophotographic printer includes a photosensitive drum, an exposure device for successively forming a plurality of electrostatic latent images based on... |
| US-5,689,779 |
Liquid developer and developing method and developing apparatus using
same A liquid developer for developing an electrostatic latent image having a carrier fluid and electrically charged toner particles dispersed therein, wherein the... |
| US-5,689,778 |
Image forming apparatus An image forming apparatus adopting a cleaningless process using contact-type charging means, includes developer scattering means which is located between the... |
| US-5,689,777 |
Image forming apparatus having contact charger An image forming apparatus includes a charging rotary brush in contact with a photosensitive member, a laser beam irradiator to form an electrostatic latent... |
| US-5,689,776 |
Contact charging system for uniformly charging a charge retentive surface A contact charging system uniformly charges a photoconductive surface by the use of a resistive belt surrounding and moved by two rollers and in contact with the... |
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